HIV infections acquired through heterosexual intercourse in the United Kingdom: findings from national surveillance.

The trends underlying the rapid and substantial increases in HIV diagnoses among heterosexual people in the United Kingdom are complex and sometimes misunderstood. Although the number of people becoming infected with HIV through heterosexual intercourse in the United Kingdom is rising steadily, most of the overall rise in HIV diagnoses among heterosexuals is among people who originate from and were infected abroad, mainly in Africa. We describe HIV diagnoses where infection was probably acquired through heterosexual intercourse in the United Kingdom.